Question

If f(x) = 4x - 12, what is f(2)?
A. -20
B. 4
C. 8
D. -4

Answer 1

The answer to this would be D. -4

Plug in 2 for x -> 4(2)-12 -> 8-12 -> -4

Answer 2

f(2) =-4

Explanation:

f(x) = 4x - 12

Let x=2

f(2) = 4*2 - 12

=8-12

=-4